205099020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 192

約数和(自身を含む): 754790400

約数和(自身を除く): 549691380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 756, 783, 812, 870, 945, 1015, 1044, 1218, 1260, 1305, 1566, 1740, 1827, 1871, 1890, 2030, 2436, 2610, 3045, 3132, 3654, 3742, 3780, 3915, 4060, 5220, 5481, 5613, 6090, 7308, 7484, 7830, 9135, 9355, 10962, 11226, 12180, 13097, 15660, 16839, 18270, 18710, 21924, 22452, 26194, 27405, 28065, 33678, 36540, 37420, 39291, 50517, 52388, 54259, 54810, 56130, 65485, 67356, 78582, 84195, 101034, 108518, 109620, 112260, 117873, 130970, 157164, 162777, 168390, 196455, 202068, 217036, 235746, 252585, 261940, 271295, 325554, 336780, 353619, 379813, 392910, 471492, 488331, 505170, 542590, 589365, 651108, 707238, 759626, 785820, 813885, 976662, 1010340, 1085180, 1139439, 1178730, 1414476, 1464993, 1519252, 1627770, 1768095, 1899065, 1953324, 2278878, 2357460, 2441655, 2929986, 3255540, 3418317, 3536190, 3798130, 4557756, 4883310, 5697195, 5859972, 6836634, 7072380, 7324965, 7596260, 9766620, 10254951, 11394390, 13673268, 14649930, 17091585, 20509902, 22788780, 29299860, 34183170, 41019804, 51274755, 68366340, 102549510, 205099020]

約数ペア:

[(1, 205099020), (2, 102549510), (3, 68366340), (4, 51274755), (5, 41019804), (6, 34183170), (7, 29299860), (9, 22788780), (10, 20509902), (12, 17091585), (14, 14649930), (15, 13673268), (18, 11394390), (20, 10254951), (21, 9766620), (27, 7596260), (28, 7324965), (29, 7072380), (30, 6836634), (35, 5859972), (36, 5697195), (42, 4883310), (45, 4557756), (54, 3798130), (58, 3536190), (60, 3418317), (63, 3255540), (70, 2929986), (84, 2441655), (87, 2357460), (90, 2278878), (105, 1953324), (108, 1899065), (116, 1768095), (126, 1627770), (135, 1519252), (140, 1464993), (145, 1414476), (174, 1178730), (180, 1139439), (189, 1085180), (203, 1010340), (210, 976662), (252, 813885), (261, 785820), (270, 759626), (290, 707238), (315, 651108), (348, 589365), (378, 542590), (406, 505170), (420, 488331), (435, 471492), (522, 392910), (540, 379813), (580, 353619), (609, 336780), (630, 325554), (756, 271295), (783, 261940), (812, 252585), (870, 235746), (945, 217036), (1015, 202068), (1044, 196455), (1218, 168390), (1260, 162777), (1305, 157164), (1566, 130970), (1740, 117873), (1827, 112260), (1871, 109620), (1890, 108518), (2030, 101034), (2436, 84195), (2610, 78582), (3045, 67356), (3132, 65485), (3654, 56130), (3742, 54810), (3780, 54259), (3915, 52388), (4060, 50517), (5220, 39291), (5481, 37420), (5613, 36540), (6090, 33678), (7308, 28065), (7484, 27405), (7830, 26194), (9135, 22452), (9355, 21924), (10962, 18710), (11226, 18270), (12180, 16839), (13097, 15660)]